negative ion的用法和樣例：
例句
用作名詞 (n.)
- In this article, ion chromatography was used to analyze anion in latex.
采用離子色譜法對乳膠制品中陰離子進(jìn)行分析。 - Synthesis and application of negative ion inar tificial high molecular flocculant prepared by starch are reported in this paper.
介紹了以淀粉為基材的陰離子天然高分子絮凝劑的合成工藝和應用效果。
